<template>
  <van-nav-bar
    :title="$route.meta.title"
    v-show="$route.meta.isShowNav"
    @click-left="onClickLeft"
    :left-arrow="$route.meta.isShowBack"
    fixed
    placeholder
    style="height: 46px"
  />
  <router-view></router-view>
  <tab-bar v-if="isShowTabbar"></tab-bar>
</template>

<script setup>
import TabBar from './components/TabBar.vue'
import { useRoute } from 'vue-router'
import { ref, watch,onMounted} from 'vue'
import { useRouter } from 'vue-router'

const route = useRoute()
const isShowTabbar = ref(true)

const router = useRouter()
const onClickLeft = () => {
  if (history.length > 1) {
    router.back()
  } else {
    router.push({ name: 'home' })
  }
}
// 监听路由中的isTab是否为true，如果为true，展示底部TabBar
watch(
  () => route.meta,
  val => {
    isShowTabbar.value = val.isTab
  }
)

//刷新检查登录状态
import {getUser} from './api'
import useUser from './stores/user';
const {user,updateUser} =useUser()

onMounted(()=>{
  if(user.isLogin){
    loadUser()
  }
})

const loadUser=async ()=>{
  const data=await getUser()
  updateUser({
    isLogin:true,
    username:data.username,
    avatar:data.avatar
  })
}


</script>
<style>
#app {
  color: #2c3e50;
  line-height: 24px;
  --van-nav-bar-background: #ff8000;
  --van-nav-bar-title-text-color: #fff;
  --van-nav-bar-icon-color: #fff;
}
</style>